diff --git a/.github/workflows/lo-test.yml b/.github/workflows/lo-test.yml
index 48ae314..aa51856 100644
--- a/.github/workflows/lo-test.yml
+++ b/.github/workflows/lo-test.yml
@@ -17,7 +17,7 @@ jobs:
 
   build_packages:
     name: Build ${{ github.event.client_payload.device || github.event.inputs.device }} packages
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     env:
       DEVICE: ${{ github.event.client_payload.device || github.event.inputs.device }}
       BRANCH: ${{ github.event.client_payload.branch || github.event.inputs.branch }}
@@ -82,7 +82,7 @@ jobs:
 
       - name: Custom configure file
         run: |
-          cd ~/lede
+          cd ~/lede && rm -rf .tmp/
           cat $GITHUB_WORKSPACE/$DEVICE.config.seed $GITHUB_WORKSPACE/common.seed | sed 's/\(CONFIG_PACKAGE_luci-app-[^A-Z]*=\)y/\1m/' > .config
           find package/ -type d -name luci-app-* | rev | cut -d'/' -f1 | rev | xargs -n1 -i echo CONFIG_PACKAGE_{}=m >> .config
           cat $GITHUB_WORKSPACE/extra_packages.seed >> .config
@@ -104,6 +104,7 @@ jobs:
           cd ~/lede
           while true; do make download -j && break || true; done
           make -j$[`nproc`+1] IGNORE_ERRORS=1
+          if [ ! -e ~/lede/bin/targets/*/*/*imagebuilder*xz ]; then make V=sc; fi
           mv `ls ~/lede/bin/targets/*/*/*imagebuilder*xz` ~/ib-$DEVICE.tar.xz
 
           echo "======================="